public override void Initialise(MHParseNode p, MHEngine engine)
{
base.Initialise(p, engine); // Target
m_EventSource.Initialise(p.GetArgN(1), engine);
m_EventType = p.GetArgN(2).GetEnumValue();
if (p.GetArgCount() >= 4)
{
// TODO: We could check here that we only have bool, int or string and not object ref or content ref.
m_EventData.Initialise(p.GetArgN(3), engine);
}
}
public override void Initialise(MHParseNode p, MHEngine engine)
{
base.Initialise(p, engine); // Target
// The next one may be present but NULL in binary.
if (p.GetArgCount() > 1)
{
MHParseNode pCtag = p.GetArgN(1);
if (pCtag.NodeType == MHParseNode.PNInt)
{
m_fIsTagged = true;
m_nConnectionTag = pCtag.GetIntValue();
}
else
{
Logging.Assert(pCtag.NodeType == MHParseNode.PNNull);
}
}
if (p.GetArgCount() > 2)
{
MHParseNode pTrEff = p.GetArgN(2);
m_nTransitionEffect = pTrEff.GetIntValue();
}
}
public override void Initialise(MHParseNode p, MHEngine engine)
{
base.Initialise(p, engine);
m_TimerId.Initialise(p.GetArgN(1), engine); // The timer id
if (p.GetArgCount() > 2)
{
MHParseNode pNewTimer = p.GetArgN(2);
m_TimerValue.Initialise(pNewTimer.GetSeqN(0), engine);
if (pNewTimer.GetSeqCount() > 1)
{
m_TimerType = ST_TimerAbsolute; // May be absolute - depends on the value.
m_AbsFlag.Initialise(pNewTimer.GetSeqN(1), engine);
}
else
{
m_TimerType = ST_TimerRelative;
}
}
}
public override void Initialise(MHParseNode p, MHEngine engine)
{
base.Initialise(p, engine);
if (p.GetArgCount() > 1)
{
MHParseNode pIndexed = p.GetNamedArg(ASN1Codes.C_NEW_COLOUR_INDEX);
MHParseNode pAbsolute = p.GetNamedArg(ASN1Codes.C_NEW_ABSOLUTE_COLOUR);
if (pIndexed != null)
{
m_ColourType = CT_Indexed;
m_Indexed.Initialise(pIndexed.GetArgN(0), engine);
}
else if (pAbsolute != null)
{
m_ColourType = CT_Absolute;
m_Absolute.Initialise(pAbsolute.GetArgN(0), engine);
}
}
}
public override void Initialise(MHParseNode p, MHEngine engine)
{
base.Initialise(p, engine);
MHParseNode pMovements = p.GetNamedArg(ASN1Codes.C_MOVEMENT_TABLE);
if (pMovements != null)
{
for (int i = 0; i < pMovements.GetArgCount(); i++)
{
MHMovement pMove = new MHMovement();
m_MovementTable.Append(pMove);
pMove.Initialise(pMovements.GetArgN(i), engine);
}
}
MHParseNode pTokenGrp = p.GetNamedArg(ASN1Codes.C_TOKEN_GROUP_ITEMS);
if (pTokenGrp != null)
{
for (int i = 0; i < pTokenGrp.GetArgCount(); i++)
{
MHTokenGroupItem pToken = new MHTokenGroupItem();
m_TokenGrpItems.Append(pToken);
pToken.Initialise(pTokenGrp.GetArgN(i), engine);
}
}
MHParseNode pNoToken = p.GetNamedArg(ASN1Codes.C_NO_TOKEN_ACTION_SLOTS);
if (pNoToken != null)
{
for (int i = 0; i < pNoToken.GetArgCount(); i++)
{
MHParseNode pAct = pNoToken.GetArgN(i);
MHActionSequence pActions = new MHActionSequence();
m_NoTokenActionSlots.Append(pActions);
// The action slot entry may be NULL.
if (pAct.NodeType != MHParseNode.PNNull)
{
pActions.Initialise(pAct, engine);
}
}
}
}
public override void Initialise(MHParseNode p, MHEngine engine)
{
base.Initialise(p, engine);
MHParseNode pMultiplex = p.GetNamedArg(ASN1Codes.C_MULTIPLEX);
for (int i = 0; i < pMultiplex.GetArgCount(); i++)
{
MHParseNode pItem = pMultiplex.GetArgN(i);
if (pItem.GetTagNo() == ASN1Codes.C_AUDIO)
{
MHAudio pAudio = new MHAudio();
m_Multiplex.Append(pAudio);
pAudio.Initialise(pItem, engine);
}
else if (pItem.GetTagNo() == ASN1Codes.C_VIDEO)
{
MHVideo pVideo = new MHVideo();
m_Multiplex.Append(pVideo);
pVideo.Initialise(pItem, engine);
}
else if (pItem.GetTagNo() == ASN1Codes.C_RTGRAPHICS)
{
MHRTGraphics pRtGraph = new MHRTGraphics();
m_Multiplex.Append(pRtGraph);
pRtGraph.Initialise(pItem, engine);
}
// Ignore unknown items
}
MHParseNode pStorage = p.GetNamedArg(ASN1Codes.C_STORAGE);
if (pStorage != null)
{
m_nStorage = pStorage.GetArgN(0).GetEnumValue();
}
MHParseNode pLooping = p.GetNamedArg(ASN1Codes.C_LOOPING);
if (pLooping != null)
{
m_nLooping = pLooping.GetArgN(0).GetIntValue();
}
}
public override void Initialise(MHParseNode p, MHEngine engine)
{
base.Initialise(p, engine);
MHParseNode pPositions = p.GetNamedArg(ASN1Codes.C_POSITIONS);
for (int i = 0; i < pPositions.GetArgCount(); i++)
{
MHParseNode pPos = pPositions.GetArgN(i);
Point pos = new Point(pPos.GetSeqN(0).GetIntValue(), pPos.GetSeqN(1).GetIntValue());
m_Positions.Append(pos);
}
MHParseNode pWrap = p.GetNamedArg(ASN1Codes.C_WRAP_AROUND);
if (pWrap != null)
{
m_fWrapAround = pWrap.GetArgN(0).GetBoolValue();
}
MHParseNode pMultiple = p.GetNamedArg(ASN1Codes.C_MULTIPLE_SELECTION);
if (pMultiple != null)
{
m_fMultipleSelection = pMultiple.GetArgN(0).GetBoolValue();
}
}
// Set this up from the parse tree.
public override void Initialise(MHParseNode p, MHEngine engine)
{
// Set to empty before we start (just in case).
engine.GetGroupId().Copy("");
base.Initialise(p, engine);
// Must be an external reference with an object number of zero.
Logging.Assert(m_ObjectIdentifier.ObjectNo == 0 && m_ObjectIdentifier.GroupId.Size != 0);
// Set the group id for the rest of the group to this.
engine.GetGroupId().Copy(m_ObjectIdentifier.GroupId);
// Some of the information is irrelevant.
// MHParseNode pStdId = p.GetNamedArg(C_STANDARD_IDENTIFIER);
// MHParseNode pStdVersion = p.GetNamedArg(C_STANDARD_VERSION);
// MHParseNode pObjectInfo = p.GetNamedArg(C_OBJECT_INFORMATION);
MHParseNode pOnStartUp = p.GetNamedArg(ASN1Codes.C_ON_START_UP);
if (pOnStartUp != null)
{
m_StartUp.Initialise(pOnStartUp, engine);
}
MHParseNode pOnCloseDown = p.GetNamedArg(ASN1Codes.C_ON_CLOSE_DOWN);
if (pOnCloseDown != null)
{
m_CloseDown.Initialise(pOnCloseDown, engine);
}
MHParseNode pOriginalGCPrio = p.GetNamedArg(ASN1Codes.C_ORIGINAL_GC_PRIORITY);
if (pOriginalGCPrio != null)
{
m_nOrigGroupCachePriority = pOriginalGCPrio.GetArgN(0).GetIntValue();
}
// Ignore the other stuff at the moment.
MHParseNode pItems = p.GetNamedArg(ASN1Codes.C_ITEMS);
if (pItems == null)
{
p.Failure("Missing :Items block");
}
for (int i = 0; i < pItems.GetArgCount(); i++)
{
MHParseNode pItem = pItems.GetArgN(i);
MHIngredient pIngredient = null;
// Generate the particular kind of ingredient.
switch (pItem.GetTagNo())
{
case ASN1Codes.C_RESIDENT_PROGRAM: pIngredient = new MHResidentProgram(); break;
// NOT UK case ASN1Codes.C_REMOTE_PROGRAM: pIngredient = new MHRemoteProgram(); break;
// NOT UK case ASN1Codes.C_INTERCHANGED_PROGRAM: pIngredient = new MHInterChgProgram(); break;
// NOT UK case ASN1Codes.C_PALETTE: pIngredient = new MHPalette(); break;
// NOT UK case ASN1Codes.C_FONT: pIngredient = new MHFont(); break;
// NOT UK case ASN1Codes.C_CURSOR_SHAPE: pIngredient = new MHCursorShape(); break;
case ASN1Codes.C_BOOLEAN_VARIABLE: pIngredient = new MHBooleanVar(); break;
case ASN1Codes.C_INTEGER_VARIABLE: pIngredient = new MHIntegerVar(); break;
case ASN1Codes.C_OCTET_STRING_VARIABLE: pIngredient = new MHOctetStrVar(); break;
case ASN1Codes.C_OBJECT_REF_VARIABLE: pIngredient = new MHObjectRefVar(); break;
case ASN1Codes.C_CONTENT_REF_VARIABLE: pIngredient = new MHContentRefVar(); break;
case ASN1Codes.C_LINK: pIngredient = new MHLink(); break;
case ASN1Codes.C_STREAM: pIngredient = new MHStream(); break;
case ASN1Codes.C_BITMAP: pIngredient = new MHBitmap(); break;
case ASN1Codes.C_LINE_ART: pIngredient = new MHLineArt(); break;
case ASN1Codes.C_DYNAMIC_LINE_ART: pIngredient = new MHDynamicLineArt(); break;
case ASN1Codes.C_RECTANGLE: pIngredient = new MHRectangle(); break;
// NOT UK case ASN1Codes.C_HOTSPOT: pIngredient = new MHHotSpot(); break;
// NOT UK case ASN1Codes.C_SWITCH_BUTTON: pIngredient = new MHSwitchButton(); break;
// NOT UK case ASN1Codes.C_PUSH_BUTTON: pIngredient = new MHPushButton(); break;
case ASN1Codes.C_TEXT: pIngredient = new MHText(); break;
case ASN1Codes.C_ENTRY_FIELD: pIngredient = new MHEntryField(); break;
case ASN1Codes.C_HYPER_TEXT: pIngredient = new MHHyperText(); break;
case ASN1Codes.C_SLIDER: pIngredient = new MHSlider(); break;
case ASN1Codes.C_TOKEN_GROUP: pIngredient = new MHTokenGroup(); break;
case ASN1Codes.C_LIST_GROUP: pIngredient = new MHListGroup(); break;
default:
// So we find out about these when debugging.
Logging.Log(Logging.MHLogError, "'" + pItem.GetTagNo() + "' tag not in switch");
Logging.Assert(false);
// Future proofing: ignore any ingredients that we don't know about.
// Obviously these can only arise in the binary coding.
break;
}
if (pIngredient != null)
{
// Initialise it from its argments.
pIngredient.Initialise(pItem, engine);
// Remember the highest numbered ingredient
if (pIngredient.ObjectIdentifier.ObjectNo > m_nLastId)
{
m_nLastId = pIngredient.ObjectIdentifier.ObjectNo;
}
// Add it to the ingedients of this group.
m_Items.Append(pIngredient);
}
}
}
public void Initialise(MHParseNode p, MHEngine engine)
{
// Depending on the caller we may have a tagged argument list or a sequence.
for (int i = 0; i < p.GetArgCount(); i++)
{
MHParseNode pElemAction = p.GetArgN(i);
MHElemAction pAction = null;
switch (pElemAction.GetTagNo())
{
case ASN1Codes.C_ACTIVATE: pAction = new MHActivate(":Activate", true); break;
case ASN1Codes.C_ADD: pAction = new MHAdd(); break;
case ASN1Codes.C_ADD_ITEM: pAction = new MHAddItem(); break;
case ASN1Codes.C_APPEND: pAction = new MHAppend(); break;
case ASN1Codes.C_BRING_TO_FRONT: pAction = new MHBringToFront(); break;
case ASN1Codes.C_CALL: pAction = new MHCall(":Call", false); break;
case ASN1Codes.C_CALL_ACTION_SLOT: pAction = new MHCallActionSlot(); break;
case ASN1Codes.C_CLEAR: pAction = new MHClear(); break;
case ASN1Codes.C_CLONE: pAction = new MHClone(); break;
case ASN1Codes.C_CLOSE_CONNECTION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ??
case ASN1Codes.C_DEACTIVATE: pAction = new MHActivate(":Deactivate", false); break;
case ASN1Codes.C_DEL_ITEM: pAction = new MHDelItem(); break;
case ASN1Codes.C_DESELECT: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Button
case ASN1Codes.C_DESELECT_ITEM: pAction = new MHDeselectItem(); break;
case ASN1Codes.C_DIVIDE: pAction = new MHDivide(); break;
case ASN1Codes.C_DRAW_ARC: pAction = new MHDrawArcSector(":DrawArc", false); break;
case ASN1Codes.C_DRAW_LINE: pAction = new MHDrawLine(); break;
case ASN1Codes.C_DRAW_OVAL: pAction = new MHDrawOval(); break;
case ASN1Codes.C_DRAW_POLYGON: pAction = new MHDrawPoly(":DrawPolygon", true); break;
case ASN1Codes.C_DRAW_POLYLINE: pAction = new MHDrawPoly(":DrawPolyline", false); break;
case ASN1Codes.C_DRAW_RECTANGLE: pAction = new MHDrawRectangle(); break;
case ASN1Codes.C_DRAW_SECTOR: pAction = new MHDrawArcSector(":DrawSector", true); break;
case ASN1Codes.C_FORK: pAction = new MHCall(":Fork", true); break;
case ASN1Codes.C_GET_AVAILABILITY_STATUS: pAction = new MHGetAvailabilityStatus(); break;
case ASN1Codes.C_GET_BOX_SIZE: pAction = new MHGetBoxSize(); break;
case ASN1Codes.C_GET_CELL_ITEM: pAction = new MHGetCellItem(); break;
case ASN1Codes.C_GET_CURSOR_POSITION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_GET_ENGINE_SUPPORT: pAction = new MHGetEngineSupport(); break;
case ASN1Codes.C_GET_ENTRY_POINT: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // EntryField
case ASN1Codes.C_GET_FILL_COLOUR: pAction = new MHGetFillColour(); break;
case ASN1Codes.C_GET_FIRST_ITEM: pAction = new MHGetFirstItem(); break;
case ASN1Codes.C_GET_HIGHLIGHT_STATUS: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_GET_INTERACTION_STATUS: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_GET_ITEM_STATUS: pAction = new MHGetItemStatus(); break;
case ASN1Codes.C_GET_LABEL: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // PushButton
case ASN1Codes.C_GET_LAST_ANCHOR_FIRED: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // HyperText
case ASN1Codes.C_GET_LINE_COLOUR: pAction = new MHGetLineColour(); break;
case ASN1Codes.C_GET_LINE_STYLE: pAction = new MHGetLineStyle(); break;
case ASN1Codes.C_GET_LINE_WIDTH: pAction = new MHGetLineWidth(); break;
case ASN1Codes.C_GET_LIST_ITEM: pAction = new MHGetListItem(); break;
case ASN1Codes.C_GET_LIST_SIZE: pAction = new MHGetListSize(); break;
case ASN1Codes.C_GET_OVERWRITE_MODE: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_GET_PORTION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Slider
case ASN1Codes.C_GET_POSITION: pAction = new MHGetPosition(); break;
case ASN1Codes.C_GET_RUNNING_STATUS: pAction = new MHGetRunningStatus(); break;
case ASN1Codes.C_GET_SELECTION_STATUS: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_GET_SLIDER_VALUE: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Slider
case ASN1Codes.C_GET_TEXT_CONTENT: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Text
case ASN1Codes.C_GET_TEXT_DATA: pAction = new MHGetTextData(); break;
case ASN1Codes.C_GET_TOKEN_POSITION: pAction = new MHGetTokenPosition(); break;
case ASN1Codes.C_GET_VOLUME: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_LAUNCH: pAction = new MHLaunch(); break;
case ASN1Codes.C_LOCK_SCREEN: pAction = new MHLockScreen(); break;
case ASN1Codes.C_MODULO: pAction = new MHModulo(); break;
case ASN1Codes.C_MOVE: pAction = new MHMove(); break;
case ASN1Codes.C_MOVE_TO: pAction = new MHMoveTo(); break;
case ASN1Codes.C_MULTIPLY: pAction = new MHMultiply(); break;
case ASN1Codes.C_OPEN_CONNECTION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_PRELOAD: pAction = new MHPreload(); break;
case ASN1Codes.C_PUT_BEFORE: pAction = new MHPutBefore(); break;
case ASN1Codes.C_PUT_BEHIND: pAction = new MHPutBehind(); break;
case ASN1Codes.C_QUIT: pAction = new MHQuit(); break;
case ASN1Codes.C_READ_PERSISTENT: pAction = new MHPersistent(":ReadPersistent", true); break;
case ASN1Codes.C_RUN: pAction = new MHRun(); break;
case ASN1Codes.C_SCALE_BITMAP: pAction = new MHScaleBitmap(); break;
case ASN1Codes.C_SCALE_VIDEO: pAction = new MHScaleVideo(); break;
case ASN1Codes.C_SCROLL_ITEMS: pAction = new MHScrollItems(); break;
case ASN1Codes.C_SELECT: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Button
case ASN1Codes.C_SELECT_ITEM: pAction = new MHSelectItem(); break;
case ASN1Codes.C_SEND_EVENT: pAction = new MHSendEvent(); break;
case ASN1Codes.C_SEND_TO_BACK: pAction = new MHSendToBack(); break;
case ASN1Codes.C_SET_BOX_SIZE: pAction = new MHSetBoxSize(); break;
case ASN1Codes.C_SET_CACHE_PRIORITY: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_SET_COUNTER_END_POSITION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Stream
case ASN1Codes.C_SET_COUNTER_POSITION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Stream
case ASN1Codes.C_SET_COUNTER_TRIGGER: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Stream
case ASN1Codes.C_SET_CURSOR_POSITION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_SET_CURSOR_SHAPE: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_SET_DATA: pAction = new MHSetData(); break;
case ASN1Codes.C_SET_ENTRY_POINT: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // EntryField
case ASN1Codes.C_SET_FILL_COLOUR: pAction = new MHSetFillColour(); break;
case ASN1Codes.C_SET_FIRST_ITEM: pAction = new MHSetFirstItem(); break;
case ASN1Codes.C_SET_FONT_REF: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Text
case ASN1Codes.C_SET_HIGHLIGHT_STATUS: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_SET_INTERACTION_STATUS: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_SET_LABEL: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // PushButton
case ASN1Codes.C_SET_LINE_COLOUR: pAction = new MHSetLineColour(); break;
case ASN1Codes.C_SET_LINE_STYLE: pAction = new MHSetLineStyle(); break;
case ASN1Codes.C_SET_LINE_WIDTH: pAction = new MHSetLineWidth(); break;
case ASN1Codes.C_SET_OVERWRITE_MODE: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // EntryField
case ASN1Codes.C_SET_PALETTE_REF: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Visible
case ASN1Codes.C_SET_PORTION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Slider
case ASN1Codes.C_SET_POSITION: pAction = new MHSetPosition(); break;
case ASN1Codes.C_SET_SLIDER_VALUE: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Slider
case ASN1Codes.C_SET_SPEED: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_SET_TIMER: pAction = new MHSetTimer(); break;
case ASN1Codes.C_SET_TRANSPARENCY: pAction = new MHSetTransparency(); break;
case ASN1Codes.C_SET_VARIABLE: pAction = new MHSetVariable(); break;
case ASN1Codes.C_SET_VOLUME: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_SPAWN: pAction = new MHSpawn(); break;
case ASN1Codes.C_STEP: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Slider
case ASN1Codes.C_STOP: pAction = new MHStop(); break;
case ASN1Codes.C_STORE_PERSISTENT: pAction = new MHPersistent(":StorePersistent", false); break;
case ASN1Codes.C_SUBTRACT: pAction = new MHSubtract(); break;
case ASN1Codes.C_TEST_VARIABLE: pAction = new MHTestVariable(); break;
case ASN1Codes.C_TOGGLE: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // Button
case ASN1Codes.C_TOGGLE_ITEM: pAction = new MHToggleItem(); break;
case ASN1Codes.C_TRANSITION_TO: pAction = new MHTransitionTo(); break;
case ASN1Codes.C_UNLOAD: pAction = new MHUnload(); break;
case ASN1Codes.C_UNLOCK_SCREEN: pAction = new MHUnlockScreen(); break;
// UK MHEG added actions.
case ASN1Codes.C_SET_BACKGROUND_COLOUR: pAction = new MHSetBackgroundColour(); break;
case ASN1Codes.C_SET_CELL_POSITION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
case ASN1Codes.C_SET_INPUT_REGISTER: pAction = new MHSetInputRegister(); break;
case ASN1Codes.C_SET_TEXT_COLOUR: pAction = new MHSetTextColour(); break;
case ASN1Codes.C_SET_FONT_ATTRIBUTES: pAction = new MHSetFontAttributes(); break;
case ASN1Codes.C_SET_VIDEO_DECODE_OFFSET: pAction = new MHSetVideoDecodeOffset(); break;
case ASN1Codes.C_GET_VIDEO_DECODE_OFFSET: pAction = new MHGetVideoDecodeOffset(); break;
case ASN1Codes.C_GET_FOCUS_POSITION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // HyperText
case ASN1Codes.C_SET_FOCUS_POSITION: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // HyperText
case ASN1Codes.C_SET_BITMAP_DECODE_OFFSET: pAction = new MHSetBitmapDecodeOffset(); break;
case ASN1Codes.C_GET_BITMAP_DECODE_OFFSET: pAction = new MHGetBitmapDecodeOffset(); break;
case ASN1Codes.C_SET_SLIDER_PARAMETERS: pAction = new MHTemporary(pElemAction.GetTagNo()); break; // ?
default:
Logging.Log(Logging.MHLogWarning, "Action " + pElemAction.GetTagNo() + " not implemented");
Logging.Assert(false); // So we find out about these when debugging.
// Future proofing: ignore any actions that we don't know about.
// Obviously these can only arise in the binary coding.
pAction = null;
break;
}
if (pAction != null)
{
Append(pAction); // Add to the sequence.
pAction.Initialise(pElemAction, engine);
}
}
}
// Set this up from the parse tree.
public override void Initialise(MHParseNode p, MHEngine engine)
{
base.Initialise(p, engine);
// The link condition is encoded differently in the binary and text representations.
MHParseNode pLinkCond = p.GetNamedArg(ASN1Codes.C_LINK_CONDITION);
if (pLinkCond != null)
{ // Only in binary.
m_EventSource.Initialise(pLinkCond.GetArgN(0), engine); // Event source
m_nEventType = pLinkCond.GetArgN(1).GetEnumValue(); // Event type
// The event data is optional and type-dependent.
if (pLinkCond.GetArgCount() >= 3)
{
MHParseNode pEventData = pLinkCond.GetArgN(2);
switch (pEventData.NodeType)
{
case MHParseNode.PNBool: m_EventData.Bool = pEventData.GetBoolValue(); m_EventData.Type = MHUnion.U_Bool; break;
case MHParseNode.PNInt: m_EventData.Int = pEventData.GetIntValue(); m_EventData.Type = MHUnion.U_Int; break;
case MHParseNode.PNString: pEventData.GetStringValue(m_EventData.String); m_EventData.Type = MHUnion.U_String; break;
default: pEventData.Failure("Unknown type of event data"); break;
}
}
}
else
{ // Only in text.
MHParseNode pEventSource = p.GetNamedArg(ASN1Codes.P_EVENT_SOURCE); // Event source
if (pEventSource == null)
{
p.Failure("Missing :EventSource");
}
m_EventSource.Initialise(pEventSource.GetArgN(0), engine);
MHParseNode pEventType = p.GetNamedArg(ASN1Codes.P_EVENT_TYPE); // Event type
if (pEventType == null)
{
p.Failure("Missing :EventType");
}
m_nEventType = pEventType.GetArgN(0).GetEnumValue();
MHParseNode pEventData = p.GetNamedArg(ASN1Codes.P_EVENT_DATA); // Event data - optional
if (pEventData != null)
{
MHParseNode pEventDataArg = pEventData.GetArgN(0);
switch (pEventDataArg.NodeType)
{
case MHParseNode.PNBool: m_EventData.Bool = pEventDataArg.GetBoolValue(); m_EventData.Type = MHUnion.U_Bool; break;
case MHParseNode.PNInt: m_EventData.Int = pEventDataArg.GetIntValue(); m_EventData.Type = MHUnion.U_Int; break;
case MHParseNode.PNString: pEventDataArg.GetStringValue(m_EventData.String); m_EventData.Type = MHUnion.U_String; break;
default: pEventDataArg.Failure("Unknown type of event data"); break;
}
}
}
MHParseNode pLinkEffect = p.GetNamedArg(ASN1Codes.C_LINK_EFFECT);
m_LinkEffect.Initialise(pLinkEffect, engine);
}
